Messages in this thread | | | Subject | Re: Kernel BUG | From | Trond Myklebust <> | Date | Thu, 03 Nov 2005 13:59:11 -0500 |
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On Thu, 2005-11-03 at 18:10 +0000, Mark Fortescue wrote: > Hi Trond, > > I am running a sparc-linux kernel using an NFS Root and it is falling over > with the trace below. > > My Kernel is not a standard kernel (I have had to tweek it to get the > SBUS GC3 and the 82077 floppy to work on my OPUS Sparc 1 clone). > > Can you advise me on any known issues in the NFS Client code that might > enter NULL pointers into the 'slot->slots[i]' in __lookup_tag. > > If there are none that you are aware of, are there any specific areas that > I should investigate with printk statements.
NFS does not ever directly access the radix tree internals: it always uses the API, and it always protects those operations using the NFS_I(inode)->req_lock.
Are you sure that radix_tree_init() is being called before the NFSroot stuff is started? To me, this whole thing smells of memory scribble.
Cheers, Trond
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